Effect of surface anisotropy on the dynamic properties of Néel domain walls in the films with planar anisotropy

被引：0
|
作者：
M. N. Dubovik
B. N. Filippov
F. A. Kassan-Ogly
机构：
[1] Russian Academy of Sciences,Institute of Metal Physics, Ural Branch
来源：
The Physics of Metals and Metallography | 2011年 / 112卷
关键词：
domain wall; surface anisotropy; magnetic films;
D O I：
暂无
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学科分类号：
摘要：
This work is devoted to the investigation into the effect of surface magnetic anisotropy on the motion of domain walls in magnetic uniaxial films with an in-plane anisotropy in the range of thicknesses corresponding to the stability of one-dimensional Néel walls. It has been established that the surface anisotropy with a constant Ks > 0 (Ks < 0) increases (decreases) the velocity of both stationary and nonstationary motion of the domain wall, as well as the period of oscillations of the velocity of nonstationary motion. The magnitude of the critical field as a function of Ks has been determined. Effect of surface anisotropy with Ks < 0 on the scenario of the dynamic transformation of the domain-wall structure has been revealed.
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页码：450 / 456
页数：6
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